Petr Yan vs.
Sean O'Malley
Two full careers, measured against each man's own division and against each other — the tape, the read, and every number behind them.
The men, measured.
Frame, age, layoff and recent form — green marks the edge on each line.
What the numbers say.
Scouting notes, auto-generated — only stats deviating more than 25% from the division median make this list. No narratives, just deviations.
Who did they actually beat?
Full-career records re-graded by the tier of opposition — the same grading the Contender Series pick model uses. Records built on tier-4 competition are worth less than records built on killers.
Petr Yan
| Competition tier | W | L |
|---|---|---|
| Tier 1 — UFC / DWCS / PFL / Bellator / ONE / Rizin | 12 | 4 |
| Tier 3 — regional circuit | 8 | 1 |
Tier-weighted record quality: 1.41 · 12 tier-1/2 wins · 8 finish wins over 25 documented bouts
In the UFC: 10-4 against opponents who walked in above .500 · avg opponent walk-in record +5.4 wins over .500
Sean O'Malley
| Competition tier | W | L |
|---|---|---|
| Tier 1 — UFC / DWCS / PFL / Bellator / ONE / Rizin | 13 | 3 |
| Tier 2 — LFA / Cage Warriors (feeder belts) | 1 | 0 |
| Tier 3 — regional circuit | 6 | 0 |
Tier-weighted record quality: 1.75 · 14 tier-1/2 wins · 14 finish wins over 24 documented bouts
In the UFC: 8-3 against opponents who walked in above .500 · avg opponent walk-in record +4.1 wins over .500
The stand-up battle.
Career totals; norms are the medians of each man's own division.
Significant strikes — landed & absorbed
Where the fight happens (share of sig. strike attempts)
Petr Yan
Distance 82.6% (norm 87.4%) · Clinch 8.5% (norm 5.7%) · Ground 8.9% (norm 6.5%)
Sean O'Malley
Distance 96.3% (norm 87.4%) · Clinch 1.3% (norm 5.7%) · Ground 2.4% (norm 6.5%)
What they throw (share of sig. strike attempts by target)
Petr Yan
Head 80.1% (norm 77.4%) · Body 12.7% (norm 12.8%) · Legs 7.2% (norm 8.4%)
Sean O'Malley
Head 74.7% (norm 77.4%) · Body 19.4% (norm 12.8%) · Legs 5.9% (norm 8.4%)
Zone accuracy matrix Landed / attempted by zone
Green ≥ division median, red below. UFCStats tracks position and target as separate splits.
| Zone | Yan L/A | Acc | Bantamweight med | O'Malley L/A | Acc | Bantamweight med |
|---|---|---|---|---|---|---|
| BY POSITION | ||||||
| At distance | 1086 / 2190 | 49.6% | 39.0% | 1074 / 1805 | 59.5% | 39.0% |
| In the clinch | 176 / 225 | 78.2% | 68.7% | 20 / 25 | 80.0% | 68.7% |
| On the ground | 194 / 237 | 81.9% | 70.2% | 37 / 45 | 82.2% | 70.2% |
| BY TARGET | ||||||
| To the head | 1008 / 2124 | 47.5% | 34.9% | 759 / 1401 | 54.2% | 34.9% |
| To the body | 276 / 336 | 82.1% | 66.8% | 269 / 364 | 73.9% | 66.8% |
| To the legs | 172 / 192 | 89.6% | 79.4% | 103 / 110 | 93.6% | 79.4% |
Zones with fewer than 25 attempts are marked "too few to rate". Each fighter is measured against the median of leaderboard-eligible fighters in his own division (Bantamweight: 117 fighters · Bantamweight: 117 fighters).
What lands on them Opponents' accuracy against each man
Green ≤ division median — harder to hit than the typical man in his division.
| Zone | vs Yan L/A | Opp acc | Bantamweight med | vs O'Malley L/A | Opp acc | Bantamweight med |
|---|---|---|---|---|---|---|
| BY POSITION | ||||||
| At distance | 1067 / 2773 | 38.5% | 39.3% | 517 / 1402 | 36.9% | 39.3% |
| In the clinch | 99 / 148 | 66.9% | 70.4% | 33 / 57 | 57.9% | 70.4% |
| On the ground | 31 / 42 | 73.8% | 72.4% | 83 / 115 | 72.2% | 72.4% |
| BY TARGET | ||||||
| To the head | 764 / 2328 | 32.8% | 34.9% | 301 / 1088 | 27.7% | 34.9% |
| To the body | 270 / 417 | 64.7% | 66.0% | 93 / 180 | 51.7% | 66.0% |
| To the legs | 163 / 218 | 74.8% | 79.1% | 239 / 306 | 78.1% | 79.1% |
The ground war.
Takedowns, control and submissions — career totals with each man's per-minute rates against his division norm.
Bars compare the two men's rates (per-minute / per-15 figures), not raw totals — Yan has more cage time on record.